Space communication happens in distinct jumps, and requires a “store and forward” system that can retain information at each step in the process.
太空里的通讯却伴随着特殊的电信号跳变，因此需要一个“储存和转送”系统以保证在通讯过程的每一步都不会有信息丢失。
The system servo of fine tracking plays a key role in space laser communication.
精跟踪伺服系统是自由空间激光通信中的一项关键技术。
Modern communication system is a land-sea-space three-dimensional communication network whose realization is mainly restrained by underwater communication.
现代通信系统是陆-海-空三维通信网，三维通信网的组成主要制约于水下通信。
The fast orientation tracking system with free space optimal communication based on TMS320F2812 consists of four-quadrant detector, high-speed amplificatory circuit and DSP2812.
基于TMS320F 2812的自由空间激光通信快速定位跟踪系统，由四象限探测器、高速放大电路及DSP2812构成。
High efficiency and high linearity space traveling wave tube (TWT) is required for satellite communication system as a high power, high gain microwave amplifier.
作为卫星通讯系统所用的高增益、高功率微波放大器件，行波管的效率和线性是非常重要的。
In a system of space optical communication, it will influence to bit error rate of the communication system when the optical transmitter wiggles as vibration of the satellite's platform.
在空间光通信系统中，由于卫星平台的振动，使得光发射机发生摆动，从而对通信系统的误码率产生影响。
The software and data structure for SINUMERIK 840D system, and the focus on analyze memory space for software and data, including correlative communication were introduced in this article.
本文介绍了SINUMERIK 840D数控系统软件和数据结构，重点分析软件和数据的存储位置及相关通讯。
Laser transmitting wavefront is near diffraction-limited in space laser communication. Wavefront measurement is the basis of system adjustment and testing.
空间激光通信中发射波面质量接近衍射极限，测量波面是调整和检验发射系统的依据。
Traditional active current sharing method needs massive storage space for calculating the reference current and increases the system communication load.
传统的有源均流法在计算参考电流时需要占用大量的存储空间，且增大了系统的通信负担。
The concept and function of Acquisition, Tracking and Pointing (ATP) system in space optical communication are described.
描述了空间光通信中的捕获、跟踪与瞄准(atp)系统的概念、作用。
The system developed by this technology can effectively ease up the bottleneck situation of the LAN communication bandwidth and save the storage space, and pr…
该系统可以有效地缓解医院网络通信带宽瓶颈问题，节约存储空间，并在实现医学视频数字化综合馆理的基础上，大大提高了医院科、教、研工作水平。
Visualization window, communication window and communication constraint satisfied over-time between satellites and space station were presented according to the characters of two-station-system.
针对双基站卫星星座的特点，分析了卫星和空间站之间的可视窗、通讯窗和过顶时间要求下的通讯约束。
Cooperative communication can achieve effective reuse of frequency, time and space etc. resources in wireless communication system, and greatly enhance anti-fading performance.
协同通信可以实现对无线通信系统的频率、时间和空间等多维资源的有效复用，极大地提高了无线通信系统的抗衰落性能。
A novel scheme of receiving and transmitting optical system in free space optical communication is introduced.
提出了一种新颖的光无线通信收发光学系统方案。
Space-time trellis code combining space diversity with code and modulation, can improve efficiency and reliability of communication system in wireless channel efficiently.
发射端分集、编码和调制结合空时格码，可以有效地提高信号在无线衰落信道中传输的有效性和可靠性；
Signage system is the media of information communication between people and urban space.
导视系统是城市空间信息传达的手段和媒介。
The factors which result in pulse stretch in free-space optical communication are analyzed, including atmospheric dispersion, atmospheric turbulence influence and optical system influence.
针对自由空间光通信系统，分析了大气色散、大气湍流以及光学系统对光脉冲信号展宽的影响。
High power double-clad fiber amplifier is suitable for WDM, fiber CATV system and space laser communication.
双包层光纤放大器输出功率高，可用于密集波分复用系统、光纤CATV系统以及空间光通信系统中。
Using a beacon in the free space laser communication system is an important method of finishing the acquisition course.
采用信标光是完成卫星激光通信捕获过程的一种重要手段，信标光的远场分布对捕捉概率和捕获时间有较大的影响。
This system was used in a space-based optical-communication experiment, but could be used in any precise temperature application.
这套系统用来进行基于空间的光通信实验，但是也能够被用于精确温度控制的场合。
Stratospheric communication system utilizes a platform that locates stratospheric space as an information platform, and provides bulk capacity and long distance communication service.
平流层通信是利用长期运行于平流层高度的航空平台作为信息平台，提供大容量、远距离的信息服务。
Transport vehicle monitoring dispatching system is a typical system of integration of GIS, space positioning technology and wireless communication technology.
运输车辆监控调度体解非由地舆信做体解、空间订位技巧和无线数据通信技巧等集败的典型当用体解。
With the development of the communication and space technology, military satellite becomes more and more important in the operational system based on information supporting.
通过分析导航定位卫星的信息支援任务集合 ，建立了相应的效能评价指标体系 ； 采用定性与定量相结合的方式研究效能评估方法。
By Comparison with microwave communication, the advantages of the free-space laser communication system, such as big capacity, low power consumption, small volume and light weight, are introduced.
通信领域中激光通信技术由于自身的优越性得到了广泛的应用。通过将空间激光通信与微波通信比较，介绍空间激光通信的优点：大容量、低功耗及体积小、质量轻等。
The most typical weather restriction of Free-space Optical Communications System is the fog; the fog attenuation of laser is a main factor that affects the performance of the lasers communication.
雾是制约无线光通信系统的最典型气象条件，它对激光的衰减效应是影响光通信性能的主要因素。
The most typical weather restriction of Free-space Optical Communications System is the fog; the fog attenuation of laser is a main factor that affects the performance of the lasers communication.
雾是制约无线光通信系统的最典型气象条件，它对激光的衰减效应是影响光通信性能的主要因素。
应用推荐